The document discusses the food needs and yields for a small backyard homesteading site with limited sun exposure. It calculates the space needed to grow various crops to meet the dietary needs of a 2-person household eating mostly vegetarian. Due to the small size of the property and limited full sun area of only 300 square feet, complete self-sufficiency is not realistic and dietary changes or bartering would be needed. Prioritizing crops that can thrive in part-shade conditions and being adaptable with crop selection and use is recommended.